/* ============================================================
   CERTIFICACIONES ISO — tarjetas cruzadas
   Mismo sistema visual: Cormorant Garamond / Cormorant SC,
   negro absoluto + rojo reservado para líneas, tipografía y detalle fino.
   ============================================================ */

.certs {
  --cert-font-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --cert-font-caps: 'Cormorant SC', 'Cormorant Garamond', serif;

  --cert-black: #0A0706;
  --cert-black-2: #050302;

  --cert-red-500: #B5281B;
  --cert-red-400: #E24B34;

  --cert-ink: #F1E1DB;
  --cert-ink-muted: rgba(241, 225, 219, 0.56);
  --cert-ink-faint: rgba(241, 225, 219, 0.3);

  background: var(--cert-black);
  padding: 100px 24px;
  font-family: var(--cert-font-display);
}

.certs-section {
  max-width: 1160px;
  margin: 0 auto;
  text-align: center;
}

.certs-eyebrow {
  font-family: var(--cert-font-caps);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--cert-red-400);
  margin: 0 0 14px;
  position: relative;
  padding-bottom: 12px;
}
.certs-eyebrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 1px;
  background: var(--cert-red-400);
}

.certs-title {
  font-family: var(--cert-font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 600;
  color: var(--cert-ink);
  line-height: 1.25;
  margin: 0 0 10px;
}

.certs-subtitle {
  font-family: var(--cert-font-caps);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--cert-ink-faint);
  margin: 0 0 52px;
}

/* ── Grid ── */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  text-align: left;
}

.flip-card {
  height: 320px;
  perspective: 1100px;
}

/* Enlace interno: hereda el mismo layout que la tarjeta, sin repetir la clase .flip-card
   (repetirla hacía que document.querySelectorAll('.flip-card') devolviera el doble de
   elementos de los esperados y desincronizaba el índice usado por el flip) */
.flip-card-link {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Flip controlado por JS (clase) o por hover como respaldo */
.flip-card.flipped .flip-card-inner,
.flip-card.is-flipped .flip-card-inner {
  transform: rotateY(180deg);
}
@media (hover: hover) {
  .flip-card:hover .flip-card-inner { transform: rotateY(180deg); }
}

.flip-front,
.flip-back {
  position: absolute;
  inset: 0;
  border-radius: 4px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  overflow: hidden;
}

/* ── Cara frontal ── */
.flip-front {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 26px 24px;
  border: 1px solid rgba(226,75,52,0.22);
  background: linear-gradient(160deg, #100a09 0%, var(--cert-black-2) 100%);
  transition: border-color 0.3s;
}
.flip-card:hover .flip-front { border-color: rgba(226,75,52,0.4); }

/* Variación sutil de degradé por norma — mismo negro, distinto ángulo/foco */
.iso-bg-14001 { background: linear-gradient(150deg, #120b0a 0%, var(--cert-black-2) 75%); }
.iso-bg-21001 { background: linear-gradient(200deg, #120b0a 0%, var(--cert-black-2) 75%); }
.iso-bg-9001  { background: linear-gradient(160deg, #120b0a 0%, var(--cert-black-2) 80%); }
.iso-bg-27001 { background: linear-gradient(210deg, #120b0a 0%, var(--cert-black-2) 80%); }
.iso-bg-37301 { background: linear-gradient(180deg, #120b0a 0%, var(--cert-black-2) 78%); }

.iso-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(226,75,52,0.45);
  background: transparent;
  color: var(--cert-red-400);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.flip-card:hover .iso-icon {
  transform: scale(1.06);
  box-shadow: 0 0 18px rgba(226,75,52,0.28);
}

.iso-number {
  font-family: var(--cert-font-caps);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--cert-ink);
  margin-bottom: 6px;
}

.iso-label {
  font-family: var(--cert-font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--cert-ink-muted);
  line-height: 1.4;
}

.flip-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--cert-font-caps);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--cert-ink-faint);
  margin-top: 18px;
}
.flip-hint i { font-size: 14px; color: var(--cert-red-400); }

/* ── Cara posterior ── */
.flip-back {
  background: linear-gradient(180deg, rgba(15,9,8,0.98), var(--cert-black-2));
  border: 1px solid rgba(226,75,52,0.32);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 30px 26px;
  transform: rotateY(180deg);
}
.flip-back::before,
.flip-back::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-top: 1.5px solid rgba(226,75,52,0.6);
  border-left: 1.5px solid rgba(226,75,52,0.6);
  top: 10px;
  left: 10px;
}
.flip-back::after {
  top: auto;
  left: auto;
  bottom: 10px;
  right: 10px;
  border-top: none;
  border-left: none;
  border-bottom: 1.5px solid rgba(226,75,52,0.6);
  border-right: 1.5px solid rgba(226,75,52,0.6);
}

.back-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(226,75,52,0.4);
  color: var(--cert-ink-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.25s, color 0.25s;
  z-index: 2;
}
.back-close:hover {
  border-color: var(--cert-red-400);
  color: var(--cert-red-400);
}

.back-badge {
  display: inline-block;
  font-family: var(--cert-font-caps);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  color: var(--cert-red-400);
  border: 1px solid rgba(226,75,52,0.45);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 16px;
}

.back-text {
  font-family: var(--cert-font-display);
  font-size: 0.92rem;
  color: var(--cert-ink-muted);
  line-height: 1.65;
  margin: 0 0 20px;
}

.back-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--cert-font-caps);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--cert-ink);
  text-decoration: none;
  transition: color 0.25s, gap 0.25s;
}
.back-cta i { color: var(--cert-red-400); transition: transform 0.25s; }
.back-cta:hover { color: var(--cert-red-400); gap: 11px; }
.back-cta:hover i { transform: translateX(3px); }
.cert-img {
  width: 100%;
  height: 130px;
  margin-bottom: 22px;
  border-radius: 6px;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
}

.cert-img img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}
/* ── Responsive ── */
@media (max-width: 1180px) {
  .certs-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 980px) {
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .certs { padding: 72px 18px; }
  .certs-grid { grid-template-columns: 1fr; gap: 18px; }
  .flip-card { height: 300px; }
  .certs-subtitle { margin-bottom: 36px; }
}

/* ── Sección HACCP: ruta de certificación ── */
.iso-section {
  --iso-font-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --iso-font-caps: 'Cormorant SC', 'Cormorant Garamond', serif;
  --iso-black: #0A0706;
  --iso-black-2: #050302;
  --iso-black-3: #120C0A;
  --iso-red-500: #B5281B;
  --iso-red-400: #E24B34;
  --iso-ink: #F1E1DB;
  --iso-ink-muted: rgba(241, 225, 219, 0.56);
  --iso-ink-faint: rgba(241, 225, 219, 0.3);
  padding: 110px 24px;
  background: var(--iso-black);
  font-family: var(--iso-font-display);
}
.iso-section .wrap { max-width: 1160px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.iso-section .tag { margin: 0 0 18px; color: var(--iso-red-400); font-family: var(--iso-font-caps); font-size: .8rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.iso-section .h1 { margin: 0 0 22px; color: var(--iso-ink); font-family: var(--iso-font-display); font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 600; line-height: .98; letter-spacing: .01em; }
.iso-section .h1 span { color: var(--iso-red-400); font-style: italic; }
.iso-section .sub { max-width: 42ch; margin: 0 0 36px; color: var(--iso-ink-muted); font-size: 1.08rem; line-height: 1.75; }
.iso-section .stats { display: flex; gap: 32px; padding: 24px 0; margin-bottom: 36px; border-top: 1px solid rgba(226,75,52,.2); border-bottom: 1px solid rgba(226,75,52,.2); }
.iso-section .stat-val { color: var(--iso-ink); font-family: var(--iso-font-display); font-size: 1.5rem; font-weight: 600; line-height: 1.2; }
.iso-section .stat-accent { color: var(--iso-red-400); font-style: italic; }
.iso-section .stat-lbl { margin-top: 4px; color: var(--iso-ink-faint); font-family: var(--iso-font-caps); font-size: .68rem; letter-spacing: .06em; }
.iso-section .ctas { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.iso-section .btn-main { display: inline-flex; align-items: center; gap: 8px; padding: 14px 30px; border: 1px solid var(--iso-red-500); border-radius: 3px; background: var(--iso-black-3); color: var(--iso-red-400); font-family: var(--iso-font-caps); font-size: .85rem; font-weight: 600; letter-spacing: .08em; text-decoration: none; }
.iso-section .btn-main:hover { border-color: var(--iso-red-400); background: var(--iso-black-2); box-shadow: 0 6px 22px rgba(226,75,52,.22); }
.iso-section .right { display: flex; flex-direction: column; gap: 12px; }
.iso-section .pilar { position: relative; padding: 18px 20px; border: 1px solid rgba(226,75,52,.2); border-radius: 6px; background: var(--iso-black-3); cursor: pointer; }
.iso-section .pilar:hover { border-color: rgba(226,75,52,.45); }
.iso-section .pilar.active { border-color: var(--iso-red-400); background: var(--iso-black-2); }
.iso-section .pilar-head { display: flex; align-items: center; gap: 14px; }
.iso-section .pilar-num { color: var(--iso-ink-faint); font-family: var(--iso-font-caps); font-size: .72rem; letter-spacing: .08em; }
.iso-section .pilar-icon { display: flex; flex: 0 0 40px; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid rgba(226,75,52,.45); border-radius: 50%; color: var(--iso-red-400); font-size: 18px; }
.iso-section .pilar-name { flex: 1; color: var(--iso-ink); font-family: var(--iso-font-caps); font-size: .95rem; font-weight: 600; letter-spacing: .03em; }
.iso-section .pilar-pct { color: var(--iso-red-400); font-family: var(--iso-font-caps); font-size: .8rem; }
.iso-section .pilar-arrow { color: var(--iso-ink-faint); font-size: 15px; }
.iso-section .pilar.active .pilar-arrow { transform: rotate(90deg); color: var(--iso-red-400); }
.iso-section .pilar-body { max-height: 0; overflow: hidden; margin-top: 0; color: var(--iso-ink-muted); font-size: .9rem; line-height: 1.6; opacity: 0; }
.iso-section .pilar.active .pilar-body { max-height: 120px; margin-top: 12px; opacity: 1; }
.iso-section .pilar-body p { margin: 0; }
.iso-section .progress-bar { height: 3px; margin-top: 14px; overflow: hidden; border-radius: 100px; background: rgba(226,75,52,.14); }
.iso-section .progress-fill { width: 0; height: 100%; border-radius: 100px; background: linear-gradient(90deg, var(--iso-red-500), var(--iso-red-400)); }
.iso-section .pilar.active .progress-fill { width: var(--pct); }
@media (max-width: 900px) {
  .iso-section { padding: 80px 20px; }
  .iso-section .wrap { grid-template-columns: 1fr; gap: 40px; }
  .iso-section .sub { max-width: 100%; }
  .iso-section .stats { flex-wrap: wrap; row-gap: 18px; }
}
@media (max-width: 480px) {
  .iso-section .ctas { flex-direction: column; align-items: flex-start; }
  .iso-section .btn-main { width: 100%; justify-content: center; }
}